39939428

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 72065784

約数和(自身を除く): 32126356

約数列:

[1, 2, 4, 37, 74, 148, 421, 641, 842, 1282, 1684, 2564, 15577, 23717, 31154, 47434, 62308, 94868, 269861, 539722, 1079444, 9984857, 19969714, 39939428]

約数ペア:

[(1, 39939428), (2, 19969714), (4, 9984857), (37, 1079444), (74, 539722), (148, 269861), (421, 94868), (641, 62308), (842, 47434), (1282, 31154), (1684, 23717), (2564, 15577)]